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From "Matteo Bertozzi (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HBASE-8538) HBaseAdmin#isTableEnabled() should check table existence before checking zk state.
Date Tue, 14 May 2013 18:29:16 GMT

    [ https://issues.apache.org/jira/browse/HBASE-8538?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13657334#comment-13657334
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Matteo Bertozzi commented on HBASE-8538:
----------------------------------------

Ok, make sense to me. It will be nice have the comment above on ZKTableReadOnly.isEnabledTable().

anyway, +1 on the patch with just the tableExists() check.
                
> HBaseAdmin#isTableEnabled() should check table existence before checking zk state.
> ----------------------------------------------------------------------------------
>
>                 Key: HBASE-8538
>                 URL: https://issues.apache.org/jira/browse/HBASE-8538
>             Project: HBase
>          Issue Type: Bug
>          Components: Admin
>            Reporter: rajeshbabu
>            Assignee: rajeshbabu
>             Fix For: 0.94.8
>
>         Attachments: HBASE-8538_94.patch
>
>
> To avoid compatibility issues with older versions HBaseAdmin#isTableEnabled returning
true even if the table state is null. Its also returning true even a table is not present.
We should confirm table existence from .META. before checking in zk. If table not present
or deleted, then It will throw TableNotFoundException.

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